 With GMR known   


 Inductive Reactance for one conductor,XL = 0.828 ohm/mi 

 
 With GMR not known   


 Inductive reactance of one conductor = 0.8285 ohm/mi 

 
 Since conductors composing the two lines are identical   


 Inductive reactance,XL = 1.657 ohm/mi 
